対たい辺へん

た

い

へ

ん

Meanings

1

In geometry, the side of a polygon that is opposite a given vertex or side. Used in contexts such as triangles and parallelograms.

三さん角かく形けいの頂ちょう点てんAの対たい辺へんは辺へんBCです。
The opposite side of vertex A in a triangle is side BC.

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Usage patterns

対たい辺へんの長ながさを求もとめるto find the length of the opposite side
三さん角かく形けいの対たい辺へんの長ながさを求もとめなさい。
Find the length of the opposite side of the triangle.